Apple Developer Forums Tags

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TagName	Description
2D Graphics	Discuss integrating two-dimensional graphics into your app.
3D Graphics	Discuss integrating three-dimensional graphics into your app.
5G	Prepare and optimize your apps for 5G cellular networks.
Accelerate	Make large-scale mathematical computations and image calculations with high-performance, energy-efficient computation using Accelerate.
Accessibility	Make your apps function for a broad range of users using Accessibility APIs across all Apple platforms.
Accessories	Discuss designing and creating accessories that complement Apple devices.
Accounts	Help users access and manage their external accounts from within your app without requiring them to enter login credentials using Accounts.
ActivityKit	Help people keep track of tasks and events that they care about with Live Activities on the Lock Screen, the Dynamic Island, and in StandBy.
AdAttributionKit	AdAttributionKit lets advertisers measure the success of their advertising across multiple channels — all in a way that preserves user privacy.
AdSupport	Provide apps with access to the advertising identifier and a flag that indicates whether the user has chosen to limit ad tracking using AdSupport.
AGL	Create and manage OpenGL rendering contexts for use in macOS and perform operations on drawable objects using AGL.
AirPrint	AirPrint allows photo and document printing in your iOS apps and macOS apps without the need to download or install drivers.
AirPlay 2	AirPlay 2 allows users to wirelessly send content from any Apple device to a device enabled with AirPlay.
AirPlay	AirPlay allows users to wirelessly stream content from their iOS device or Mac to devices and accessories compatible with AirPlay.
Analytics & Reporting	Measure your App Store performance and get unique insights with data you won’t find anywhere else using App Analytics in App Store Connect.
APFS	Apple File System is the default file system for iOS 10.3 and later, and for macOS High Sierra and later.
APNs	Send push notifications to Mac, iOS, iPadOS, tvOS devices through your app using the Apple Push Notifications service (APNs).
App Attest	Validate the integrity of your app before your server provides access to sensitive data.
App Binary	An app binary is a file that contains machine code for a computer to execute.
App Clips	Provide a way to quickly access and experience what your app has to offer. An app clip is a small part of your app that lets users start and finish an experience in seconds, even before downloading your app.
App ID	An App ID is a two-part string used to identify one or more apps from a single development team.
App Intents	Extend your app’s custom functionality to support system-level services, like Siri and the Shortcuts app.
App Review	App review is the process of evaluating apps and app updates submitted to the App Store to ensure they are reliable, perform as expected, and follow Apple guidelines.
App Sandbox	App Sandbox is a macOS access control technology designed to contain damage to the system and user data if an app becomes compromised.
App Store	The App Store allows users around the world to discover and download your iOS and iPadOS apps.
App Store Connect API	The App Store Connect API helps you automate tasks usually done on the Apple Developer website and App Store Connect.
App Store Connect	App Store Connect is a suite of tools for submitting and managing your apps and in-app purchases on the App Store.
App Store Receipts	Validate app and in-app purchase receipts with the App Store using App Store Receipts.
App Store Server API	Call this REST API from your server to request and provide information about your customers' in-app purchases.
App Store Server Library	The App Store Server Library provides resources and configurations to simplify calling the App Store Server API, verify App Store Server Notifications, use app receipts, access App Store Connect API endpoints, verify App Store signed data, and migrate away from verifyReceipt.
App Store Server Notifications	Monitor subscription events in real time with server notifications from the App Store using App Store Server Notifications.
App Submission	Submit your apps to the App Store using App Store Connect.
App Tracking Transparency	Request user permission to access user data for tracking a user or device.
AppKit	Construct and manage a graphical, event-driven user interface for your macOS app using AppKit.
Apple Archive	Perform multithreaded lossless compression of directories, files, and data.
Apple Business Manager	Offer custom apps to organizations. Manage your organization's devices, apps, and accounts.
Apple CryptoKit	Perform cryptographic operations securely and efficiently using Apple CryptoKit.
Apple Intelligence	Apple Intelligence is the personal intelligence system that puts powerful generative models right at the core of your iPhone, iPad,a and Mac. It powers incredible new features to help users communicate, work, and express themselves.
Apple Maps Server API	Build maps and location awareness capabilities into your apps.
Apple Music API	Apple Music API integrates streaming music with Apple Music content.
Apple News	Apple News is an iOS, iPadOS, and macOS app that delivers articles from newspapers, magazines, websites, and other sources.
Apple Pay	Provide a fast, easy, and secure way for users to buy goods and services in your app or on your website using Apple Pay.
Apple Pay on the Web	Apple Pay on the Web allows you to accept Apple Pay on your website using JavaScript-based APIs.
Apple Search Ads	Help potential customers discover your app on the App Store with Apple Search Ads.
Apple Silicon	Build apps, libraries, frameworks, plug-ins, and other executable code that run natively on Apple silicon.
Apple TV	Discuss hardware-specific topics related to Apple TV.
Apple Unity Plug-Ins	Connect your game to Game Center, Core Haptics, PHASE audio, accessibility, and game controller frameworks.
Apple Watch	Discuss hardware-specific topics related to Apple Watch.
AppleScript	AppleScript allows users to directly control scriptable Macintosh applications as well as parts of macOS itself.
Application Services	Perform common application tasks using Application Services.
AR Quick Look	Allow users to see incredibly detailed object renderings in real-world surrounding, with support for audio playback, using AR Quick Look.
AR/VR	Discuss augmented reality and virtual reality app capabilities.
ARKit	Integrate iOS device camera and motion features to produce augmented reality experiences in your app or game using ARKit.
Assessment	Provide methods of assessment in education apps.
Asset Catalog	An asset catalog is a type of file used to organize and manage different assets and image resolutions used by your app’s user interface.
Audio	Integrate music and other audio content into your apps.
Audio Toolbox	Record or play audio, convert formats, parse audio streams, and configure your audio session using AudioToolbox.
AudioDriverKit	Develop drivers for audio devices using AudioDriverKit.
AudioUnit	Create audio unit extensions and add sophisticated audio manipulation and processing capabilities to your app using AudioUnit.
Authentication Services	Improve the experience of users when they enter credentials to establish their identity using Authentication Services.
Auto Layout	Create a user interface that dynamically responds to changes in the available screen space using Auto Layout.
Autofill	Streamline your app's login and onboarding procedures.
Automatic Assessment Configuration	Prevent users from accessing specific system features during high-stakes assessment activities, such as administering an exam.
Automator	Support the development of actions for the Automator application and the ability to run a workflow in developer applications using Automator.
AVAudioSession	Use the AVAudioSession object to communicate to the system how you intend to use audio in your app.
AVAudioEngine	Use a group of connected audio node objects to generate and process audio signals and perform audio input and output.
AVAudioNode	Use a group of connected audio node objects to generate and process audio signals and perform audio input and output.
AVFoundation	Work with audiovisual assets, control device cameras, process audio, and configure system audio interactions using AVFoundation.
AVKit	Create view-level services for media playback, complete with user controls, chapter navigation, and support for subtitles and closed captioning using AVKit.
Apple Archive	Perform multithreaded lossless compression of directories, files, and data.
Background Assets	Schedule background downloads of large assets during app installation, when the app updates, and periodically while the app remains on-device.
Background Tasks	Request the system to launch your app in the background to run tasks using Background Tasks.
Battery Life	Measure how your application consumes energy.
beta	Beta is the prerelease version of software or hardware.
BlockStorageDeviceDriverKit	Develop drivers for block storage devices using BlockStorageDeviceDriverKit.
Bonjour	Bonjour, also known as zero-configuration networking, enables automatic discovery of devices and services on a local network using industry standard.
Bundle ID	A bundle ID is a unique identifier for a single app.
Business and Enterprise	Design great apps that support companies and organizations of all sizes.
Business Models	Discuss various ways to structure your app, such as freemium or paid.
CallKit	Display the system-calling UI for your app’s VoIP services and coordinate your calling services with other apps and the system using CallKit.
Camera	Discuss using the camera on Apple devices.
CareKit	Help users understand and manage their health with dynamic care plans, symptom tracking, connection to care teams, and more with the CareKit open-source framework.
CarPlay	Add CarPlay support to your navigation app using CarPlay.
CFNetwork	Access network services and handle changes in network configurations using CFNetwork.
cktool	Automate processes to support local integration testing and continuous integration systems using CloudKit tools.
CKTool JS	Manage your CloudKit containers and databases from JavaScript.
ClassKit	Enable teachers to assign activities from your app’s content and to view student progress using ClassKit.
ClockKit	Display app-specific data in the complications on the clock face using ClockKit.
Cloud and Local Storage	Store data locally or in the cloud.
CloudKit	Store structured app and user data in iCloud containers that can be shared by all users of your app using CloudKit.
CloudKit Console	Monitor and manage the CloudKit database containers used by your apps.
CloudKit Dashboard	Monitor and manage the CloudKit database containers used by your apps.
CloudKit JS	CloudKit JS provides access from your web app to your CloudKit app’s containers and databases.
Code Diagnostics	Enable runtime checks to detect and avoid bugs in your code using Code Diagnostics.
Code Signing	Certify that an app was created by you using Code signing, a macOS security technology.
Collaboration	Monitor users, groups, and their attributes using Collaboration.
ColorSync	Find color values and get consistent colors across devices using ColorSync.
Combine	Customize handling of asynchronous events by combining event-processing operators using Combine.
Command Line Tools	Command line tools allow for easy installation of open source software or development on UNIX within Terminal.
Communication Safety	Communication Safety helps families to keep children safe, by warning children and providing helpful resources if they receive, or attempt to share photos that likely contain nudity.
Community Management	Discuss effective strategies for creating and sustaining a user community.
Compiler	Discuss the various compiler and toolchain technologies used in development.
Compression	Enable your app to provide lossless compression when saving or sharing files and data using Compression.
Concurrency	Concurrency is the notion of multiple things happening at the same time.
Contacts	Access the user's contacts and format and localize contact information using Contacts.
Continuity Camera	Support automatic camera switching and high-quality, high-resolution photo capture in your macOS app when iPhone is used as a camera for Mac.
Continuous Integration	Continuous integration is the process of automating and streamlining the building, analyzing, testing, and archiving of your apps, in order to ensure that they are always in a releasable state.
Core Animation	Render, compose, and animate visual elements using Core Animation.
Core Audio Types	Interact with audio streams, complex buffers, and audiovisual timestamps that use specialized data types using Core Audio Types.
Core Audio	Interact with the audio hardware of a device using Core Audio.
Core Audio Kit	Add user interfaces to Cocoa audio units using Core Audio Kit.
Core Bluetooth	Communicate with Bluetooth 4.0 low energy devices using Core Bluetooth.
Core Data	Save your application’s permanent data for offline use, cache temporary data, and add undo functionality to your app on a single device using Core Data.
Core Graphics	Harness the power of Quartz technology to perform lightweight 2D rendering with high-fidelity output using Core Graphics.
Core Haptics	Add customized haptic and audio feedback to your app using Core Haptics.
Core Image	Use built-in or custom filters to process still and video images using Core Image.
Core Location	Obtain the geographic location and orientation of a device using Core Location.
Core Media	Efficiently process media samples and manage queues of media data using Core Media.
Core MIDI	Communicate with MIDI (Musical Instrument Digital Interface) devices using Core MIDI.
Core ML	Integrate machine learning models into your app using Core ML.
Core Motion	Process accelerometer, gyroscope, pedometer, and environment-related events using Core Motion.
Core NFC	Detect NFC tags, read messages that contain NDEF data, and save data to writable tags using Core NFC.
Core Services	Access and manage key operating system services using Core Services.
Core Spotlight	Index your app so users can search the content from Spotlight and Safari using Core Spotlight.
Core Telephony	Access information about a user’s cellular service provider, such as its unique identifier and whether the carrier allows VoIP, using Core Telephony.
Core Text	Create text layouts, optimize font handling, and access font metrics and glyph data using Core Text.
Core Transferable	Declare a transfer representation for your model types to participate in system sharing and data transfer operations.
Core Video	Process digital video using a pipeline-based API and support for both Metal and OpenGL using Core Video.
Core WLAN	Provide APIs for querying AirPort interfaces and choosing networks using Core WLAN.
Create ML	Create machine learning models for use in your app using Create ML.
CryptoTokenKit	Access security tokens and the cryptographic assets they store using CryptoTokenKit.
CSS	Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in a markup language like HTML.
Custom Apps	Design and build customized apps that meet the unique needs of an organization.
Darwin Notify	Send and receive Darwin notifications using Darwin Notify.
Debugging	Discover and resolve issues with your app.
Design	Create elegant and intuitive apps that integrate seamlessly with Apple platforms.
Developer ID	Developer ID certificates are unique identifiers from Apple that assure users that you are a trusted developer.
Developer Program	Create and deliver software for users around the world on Apple platforms using the the tools, resources, and support included with Apple Developer Program membership.
Developer Tools	Ask questions about the tools you can use to build apps.
Device Activity	Monitor web and app usage through custom time windows and events.
Device Management	Allow administrators to securely and remotely configure enrolled devices using Device Management.
DeviceCheck	Access per-device, per-developer data that your associated server can use in its business logic using DeviceCheck.
Disk Arbitration	Provide mechanisms for registering for mount/unmount notification and blocking mount/unmount events using DiskArbitration.
Dispatch	Execute code concurrently on multicore hardware by submitting work to dispatch queues managed by the system using Dispatch.
DocC	Author and share great documentation for your Swift packages and frameworks.
DockKit	API to enable control of motorized iPhone stands from within any Camera app.
DriverKit	Develop device drivers that run in user space using DriverKit.
EDR	EDR is Apple's High Dynamic Range representation and rendering pipeline.
Education and Kids	Build and optimize your apps for kids and the classroom.
Education	Teach students of all ages to code in Swift using a variety of resources in your curriculum.
Endpoint Security	Develop system extensions that enhance user security using Endpoint Security.
Enterprise	The Apple Developer Enterprise Program allows large organizations to develop and deploy proprietary, internal-use apps to their employees.
Entitlements	Entitlements allow specific capabilities or security permissions for your apps.
EventKit	Create, view, and edit calendar and reminder events using EventKit and EventKitUI. Request read-only, write-only, or full-access to Calendar data.
Exception Handling	Monitor and debug exceptional conditions in code using Exception Handling.
Exposure Notification	Implement a COVID-19 exposure notification system that protects user privacy.
Extensions	Give users access to your app's functionality and content throughout iOS and macOS using extensions.
External Graphics Processors	Bring additional performance to your professional apps, 3D games, VR content creation pipelines, and more using external graphics processors.
External Accessory	Communicate with accessories connected to a device by the Apple Lightning connector or through Bluetooth using External Accessory.
Face ID	Securely unlock devices, authenticate purchases, sign in to apps, and more with facial recognition using Face ID.
Face Sharing	Share watch faces for Apple Watch within your watchOS and iOS apps or host them on the web for anyone to find and download.
FairPlay Streaming	Securely deliver streaming media to devices through the HTTP Live Streaming protocol using FairPlay Streaming (FPS).
Family Controls	Prevent access to the Screen Time API without guardian approval and provide opaque tokens that represent apps and websites.
Feedback Assistant	Use Feedback Assistant to report issues and give suggestions about using Apple software and developing for Apple platforms.
File Provider	Allow other apps to access the documents and directories stored and managed by your containing app using FileProvider.
Files and Storage	Ask questions about file systems and block storage.
Finder Sync	Enhance the Finder’s user interface by adding badges, shortcut menu items, and toolbar buttons using Finder Sync.
FindMy	Locate devices and belongings in the Find My app.
Focus	Adjust your app’s behavior and filter incoming notifications based on the user's Focus settings.
Force Feedback	Control force feedback devices attached to the system and develop plugins that enable communication with force feedback hardware using Force Feedback.
Forums Feedback	Provide feedback on or request enhancements to the Apple Developer Forums.
Foundation	Access essential data types, collections, and operating-system services to define the base layer of functionality for your app using Foundation.
Frameworks	Ask questions about APIs that can drive features in your apps.
FWAUserLib	Interface with FireWire audio devices to manage connections, audio engines, and audio and MIDI streams using FWAUserLib.
Game Controller	Support hardware game controllers in your game using Game Controller.
GameKit	Create apps that allow players to interact with each other using GameKit.
Game Porting Toolkit	Provides an emulation environment to run your existing, unmodified Windows game on the Mac.
GameplayKit	Architect and organize your game logic and incorporate common gameplay behaviors in your app using GameplayKit.
Games	Discuss games on Apple platforms.
Gatekeeper	Gatekeeper on macOS helps protect users from downloading and installing malicious software by checking for a Developer ID certificate from apps distributed outside the Mac App Store.
GLKit	Speed up OpenGL ES or OpenGL app development using GLKit.
Graphical Debugger	Debug your app directly within the Xcode editor using Graphical Debugger.
Graphics and Games	Build captivating gaming experiences for Apple platforms.
Group Activities	Build captivating gaming experiences for Apple platforms.
GSS	Conduct secure and authenticated network transactions using the Generic Security Service Application Programming Interface (GSS).
Handoff	Allow users to start an activity on one device and seamlessly resume the activity on another device running iOS, iPadOS, or macOS using Handoff.
Health and Fitness	Use HealthKit to enable your iOS and watchOS apps to work with the Apple Health app.
HealthKit	Access and share health and fitness data while maintaining the user’s privacy and control using HealthKit.
HIDDriverKit	Develop drivers for devices that users interact with using HIDDriverKit.
HomeKit	Communicate with, configure, and control home automation accessories using HomeKit.
HTML	Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser.
HTTP Live Streaming	Send audio and video over HTTP from an ordinary web server for playback on Mac, iOS, and tvOS devices using HTTP Live Streaming (HLS).
Hypervisor	Build virtualization solutions on top of a lightweight hypervisor without the need for third-party kernel extensions using Hypervisor.
iCloud Drive	iCloud Drive safely stores any kind of file so it can be accessed in iCloud-enabled apps on iPhone, iPad, Mac, or PC.
iCloud Keychain Verification Codes	Use verification codes that are integrated with iCloud Keychain.
Image I/O	Read and write most image file formats, manage color, access image metadata using Image I/O.
In-App Purchase	Offer extra content, digital goods, and features directly within your app using in-app purchases.
InputMethodKit	Develop input methods and manage communication with client applications, candidates windows, and input method modes using InputMethodKit.
InstallerJS	Manage and customize the installation and distribution experience using InstallerJS.
Instruments	Instruments is a performance-analysis and testing tool for iOS, iPadOS, watchOS, tvOS, and macOS apps.
Intents	Share intents from within an app to drive system intelligence and show the app's actions inside the Shortcuts app.
Inter-process communication	Share data through Handoff, support universal links to your app's content, and display activity-based services to the user using inter-process communication.
Interaction Design	Create engaging ways for users to interact with your software.
Interface Builder	Build interfaces for applications without writing code using Interface Builder, an editor within Xcode.
Internationalization	Make your app available to an international audience by adapting it to multiple languages, regions, and cultures.
IOBluetooth	Gain user-space access to Bluetooth devices using IOBluetooth.
IOKit	Gain user-space access to hardware devices and drivers using IOKit.
iOS	iOS is the operating system for iPhone.
IOSurface	Share hardware-accelerated buffer data across multiple processes and frameworks using IOSurface.
IOUSBHost	Create host-mode user space drivers for USB devices using IOUSBHost.
iPad	Discuss hardware-specific topics related to iPad.
iPad and iOS apps on visionOS	Discussion about running existing iPad and iOS apps directly on Apple Vision Pro.
iPadOS	iPadOS is the operating system for iPad.
iPhone	Discuss hardware-specific topics related to iPhone.
iTunes Library	Retrieve the properties of the media in the user’s iTunes library.
JavaScript	Discuss the JavaScript programing language.
JavaScriptCore	Evaluate JavaScript programs from within an app and support JavaScript scripting of your app using JavaScriptCore.
JXA	Allow interapplication communication between apps on macOS using JavaScript for Automation.
Kerberos	Use the Heimdal implementation of Kerberos for secure authentication on Apple devices.
Kerberos Extension	Enable single sign-on with Windows Active Directory.
Kernel	Develop kernel-resident device drivers and kernel extensions using Kernel.
Latent Semantic Mapping	Classify text and other token-based content into developer-defined categories using Latent Semantic Mapping.
Linker	Use dyld to link in frameworks at runtime. Use ld to make your programs and link archive libraries at build time.
Link Presentation	Fetch, provide, and present rich links in your app using LinkPresentation.
LivePhotosKit JS	Play Live Photos on the web using LivePhotosKit JS.
Live Text	Enable text interactions, translation, data detection, and QR code scanning within any image view on iOS, iPadOS, or macOS.
LLDB	The LLDB command-line debugger provides underlying debugging services for development on all Apple platforms.
LLVM	The LLVM compiler is the next-generation compiler introduced in Xcode 3.2 for Snow Leopard based on the open source LLVM.org project.
Local Authentication	Authenticate users biometrically or with a passphrase using Local Authentication.
Localization	Localization is the process of adapting and translating your app to multiple languages.
Mac App Store	The Mac App Store allows users around the world to discover and download your macOS apps.
Mac	Discuss hardware-specific topics related to Mac.
Mac Catalyst	Start building a native Mac app from your current iPad app using Mac Catalyst.
Machine Learning	Create intelligent features and enable new experiences for your apps by leveraging powerful on-device machine learning.
macOS	macOS is the operating system for Mac.
Mail Extensions	Use Mail Extensions for composition, message actions, secure email, and content blocking in the Mail app.
Managed Settings	Set restrictions for certain settings, such as locking accounts in place, preventing password modification, filtering web traffic, and shielding apps.
MapKit JS	Embed interactive Apple maps on your website, annotate points of interest, and perform geo-related searches using MapKit JS.
MapKit	Display map or satellite imagery from your app's interface, call out points of interest, and determine placemark information for map coordinates using MapKit.
Maps and Location	Build maps and location awareness capabilities into your apps.
Maps Web Snapshots	Create a static image of a map from a URL using Maps Web Snapshots.
Marketing	Discuss how to reach users and help them understand the value of your app.
Matter	Matter is an IP-based connectivity protocol that is a royalty-free connectivity standard enabling communications among a wide range of smart devices.
Media Player	Find and play songs, audio podcasts, audio books, and more from within your app using Media Player.
Media	Integrate photo, audio, and video content into your apps.
Media Accessibility	Coordinate the presentation of closed-captioned data for your app's media files using Media Accessibility.
Media Library	Access read-only collections of the user’s multimedia content using Media Library.
Messages	Create app extensions that lets users send text, stickers, media files, and interactive messages using Messages.
Messages for Business	Messages for Business is a service that allows your organization to communicate directly with your customers using the Messages app.
Metal Performance Shaders	Optimize graphics and compute performance with kernels that are fine-tuned for the unique characteristics of each Metal GPU family using Metal Performance Shaders.
Metal	Render advanced 3D graphics and perform data-parallel computations using graphics processors using Metal.
MetalFX	MetalFX provides platform-optimized graphics effects for apps built with Metal. Render complex scenes in less time per frame with high-performance upscaling and anti-aliasing using MetalFX Upscaling.
metal-cpp	C++ games and apps can tap into the power of Metal by bridging with metal-cpp.
MetalKit	Render graphics in a standard Metal view, load textures from many sources, and work efficiently with models provided by Model I/O using MetalKit.
Metal Shader Converter	Automatically convert all of your existing HLSL GPU shaders to Metal.
MetricKit	Aggregate and analyze per-device reports on power and performance metrics using MetricKit.
ML Compute	Accelerate training and validation of neural networks using the CPU and GPUs.
Mobile Core Services	Use uniform type identifier (UTI) information to create and manipulate data that can be exchanged between your app and other apps and services using Mobile Core Services.
Multipeer Connectivity	Support peer-to-peer connectivity and the discovery of nearby devices using Multipeer Connectivity.
MusicKit JS	Add an Apple Music player to your web app using MusicKit JS.
MusicKit	Let users play Apple Music and their local music library from your app or website using MusicKit.
Natural Language	Analyze natural language text and deduce its language-specific metadata using Natural Language.
Nearby Interaction	Locate and interact with nearby devices using distance, direction, and identifier.
Network	Network connections send and receive data using transport and security protocols.
Network Extension	Customize and extend the core networking features of iOS, iPadOS, and macOS using Network Extension.
NetworkingDriverKit	Develop drivers for USB Ethernet adapters using NetworkingDriverKit.
Notarization	Notarization is the process of scanning Developer ID-signed software for malicious components before distribution outside of the Mac App Store.
NotificationCenter	Create and manage app extensions that implement Today widgets using NotificationCenter.
Object Capture	Turn photos from your iPhone or iPad into high‑quality 3D models that are optimized for AR using the new Object Capture API on macOS Monterey.
Objective-C Runtime	The Objective-C runtime is a runtime library that supports the dynamic properties of the Objective-C language.
Objective-C	Objective-C is a programming language for writing iOS, iPadOS, and macOS apps.
Observation	Make responsive apps that update the presentation when underlying data changes.
On demand resources	On-demand resources are app contents that are hosted on the App Store and are separate from the related app bundle that you download.
OpenGL ES	Create 3D and 2D graphics effects using OpenGL ES, a compact and efficient subset of OpenGL.
Open Directory	Authenticate users and search for contact information in Open Directory and LDAP directories using OpenDirectory.
Organizer Window	Upload apps and view crash reports, energy reports, and performance metrics in the Organizer window in Xcode.
OSLog	OSLog is a unified logging system for the reading of historical data.
Passkeys in iCloud Keychain	Use public-key-based credentials using the WebAuthn standard that are synced with iCloud Keychain.
PCIDriverKit	Develop device drivers for Peripheral Component Interconnect accessories.
PDFKit	Display and manipulate PDF documents in your applications using PDFKit.
PencilKit	Capture touch input as an opaque drawing and turn it into high-quality images that can be displayed on iOS and macOS using PencilKit.
Performance Partners	The Performance Partners Program allows you to earn commissions on qualifying revenue by linking to Apple Music and iTunes content.
Performance	Improve your app's performance.
PHASE	Provide a consistent spatial audio experience across all supported devices with geometry-aware audio.
PhotoKit	Work with image and video assets managed by the Photos app, including those from iCloud Photos and Live Photos, using PhotoKit.
Photos and Imaging	Integrate still images and other forms of photography into your apps.
PlatformSSO	Use credentials from macOS login to perform single sign-on with an identity provider.
Playground Support	Share playground data, manage live views, and control the execution of a playground in Swift Playgrounds using Playground Support.
Playground Bluetooth	Display and manage connections to Bluetooth peripherals in Swift Playgrounds using Playground Bluetooth.
Preference Panes	Integrate your app's custom preferences into the System Preferences app using Preference Panes.
Privacy	Discuss how to secure user data, respect user data preferences, support iCloud Private Relay and Mail Privacy Protection, replace CAPTCHAs with Private Access Tokens, and more. Ask about Privacy nutrition labels, Privacy manifests, and SDK digital signatures.
Professional Video Applications	Exchange data with Final Cut Pro X and create effects plugins for Final Cut Pro X and Motion using Professional Video Applications.
Prototyping	Develop and test different versions and features of your app.
Provisioning Profiles	A provisioning profile is a type of system profile used to launch one or more apps on devices and use certain services.
PushKit	Respond to push notifications related to your app’s complications, file providers, and VoIP services using PushKit.
PushToTalk	Let people send and receive audio in your app with the push of a button.
QTKit	Manipulate time-based media using QTKit.
Quartz	Allow users to browse, edit, and save images using slideshows and Core Image filters using Quartz.
QUIC	Create network connections to send and receive data using the QUIC protocol.
Quick Note	Integrate the Notes app with your app and web content.
QuickLook	Create previews of files to use inside your app or perform simple edits on previews using QuickLook.
QuickLook Thumbnailing	Generate thumbnails for common file types and add a Thumbnail Extension to your app using QuickLook Thumbnailing.
Reality Composer	Prototype and produce content for AR experiences using Reality Composer.
Reality Composer Pro	Leverage the all new Reality Composer Pro, designed to make it easy to preview and prepare 3D content for your visionOS apps
Reality Converter	Convert, view, and customize USDZ 3D objects on Mac using Reality Converter.
RealityKit	Simulate and render 3D content for use in your augmented reality apps using RealityKit.
Release Notes	Learn about changes to the SDKs and tools using Release Notes.
ReplayKit	Record or stream video from the screen and audio from the app and microphone using ReplayKit.
ResearchKit	Enable your iOS app to become a powerful tool for medical research with the ResearchKit open source framework.
RoomPlan	Create parametric 3D scans of rooms and room-defining objects.
Roster API	Access user and class information in Apple School Manager.
Safari and Web	Enable web views and services in your apps.
Safari Developer Tools	Inspect, edit, debug, and check the performance of your web content using Safari developer tools.
Safari Extensions	Enhance and customize the web browsing experience on Mac, iPhone, and iPad with Safari Extensions.
Safari	Safari is the web browser developed by Apple and built into all Apple devices.
Safari Services	Enable web views and services in your app using Safari Services.
SceneKit	Create 3D games and add 3D content to apps using high-level scene descriptions using SceneKit.
ScreenCaptureKit	ScreenCaptureKit brings high-performance screen capture, including audio and video, to macOS.
Screen Saver	Animate screen savers and interact with the screen saver infrastructure using Screen Saver.
Screen Time	Share and manage web-usage data, and observe changes made to Screen Time settings by a parent or guardian.
Scribble	Enable handwriting-to-text conversion in any text field on iPad with Apple Pencil using the UIScribbleInteraction and UIIndirectScribbleInteraction APIs.
Scripting	Scripting allows you to automate complex, repetitive, and time-consuming tasks by writing scripts that interact with apps, processes, and the operating system.
Scripting Bridge	Automate scriptable apps by sending and receiving Apple events using Scripting Bridge.
SCSIControllerDriverKit	Develop drivers for SCSI protocol-based devices.
Security	Secure the data your app manages and control access to your app using the Security framework.
Security Foundation	Restrict a user’s access to particular features in your macOS app or daemon using Security Foundation.
Security Interface	The Security Interface framework is a set of Objective-C classes that provide user interface elements for programs that implement security features.
SensorKit	Retrieve data and derived metrics from iPhone sensors or from a paired Apple Watch.
SerialDriverKit	Develop drivers for serial I/O devices connected to Mac.
Service Management	The Service Management framework provides facilities to load and unload launchd services and read and modify launchd dictionaries from within an application.
SF Symbols	Enhance your app with a set of symbols that integrate seamlessly with the San Francisco system font.
Shader Graph Editor	A easy to use visual editor for your materials all within Reality Composer Pro
Shared with You	Bring your app’s collaboration experiences into Messages and FaceTime, and highlight content from your app that people shared in Messages in a Shared with You section within your app.
ShazamKit	Get exact audio matching for any audio source using the Shazam catalog or a custom catalog in an app.
Shortcuts	Help users quickly accomplish tasks related to your app with their voice or with a tap with the Shortcuts API.
Sign in with Apple JS	Provide users with a fast, secure way to sign into your web service with their Apple Account using Sign in with Apple JS.
Sign in with Apple REST API	The Sign in with Apple REST API allows your app's servers to communicate with Apple’s authentication servers.
Sign in with Apple	Sign in with Apple enables users to sign into apps and websites using their Apple Account.
Sign In with Apple at Work & School	Sign in with Apple enables users to sign into work and school apps and websites using their managed Apple Account using Sign In with Apple at Work & School.
Signing Certificates	A signing certificate is a digital identity used for code signing during the build and archive process.
simd	simd provides types and functions for small vector and matrix computations.
Simulator	Rapidly prototype and test builds of your app during the development process using Simulator.
Siri and Voice	Help users quickly accomplish tasks related to your app using just their voice.
Siri Event Suggestions Markup	Embed reservation data in email and webpages that updates user’s calendars and informs suggestions from Siri.
SiriKit	Handle requests for your app’s services from users using Siri or Maps.
SMS and Call Reporting	Provide extensions to manage unwanted communication using SMS and Call Reporting.
Social	Post content to supported social networking services that use standard system interfaces by using Social.
Sound and Haptics	Create meaningful and delightful experiences that engage a wider range of senses with sound and haptic design.
Sound Analysis	Analyze streamed and file-based audio to classify it as a particular type using Sound Analysis.
Speech	Recognize spoken words in recorded or live audio using Speech.
Spotlight	Search for files and index your app’s content for searching using Spotlight.
SpriteKit	Drawing shapes, particles, text, images, and video in two dimensions using SpriteKit.
SSO Extensions	Enable single sign-on for apps and websites for your business or school.
StoreKit	Support in-app purchases and interactions with the App Store using StoreKit.
StoreKit Test	Create and automate tests in Xcode for your app's submission and in-app purchase transactions.
Subscriptions	Give users access to content, services, or premium features in your app on an ongoing basis with subscriptions, a type of in-app purchase.
Swans Quest	Discuss Swan's Quest, the Swift Playgrounds challenge introduced at WWDC20.
Swift	Swift is a powerful and intuitive programming language for Apple platforms and beyond.
Swift Charts	Visualize data with highly customizable charts across all Apple platforms using the compositional syntax of SwifUI.
SwiftData	SwiftData is an all-new framework for managing data within your apps. Models are described using regular Swift code, without the need for custom editors.
Swift Packages	Create reusable code, organize it in a lightweight way, and share it across Xcode projects and with other developers using Swift Packages.
Swift Playgrounds	Learn and explore coding in Swift through interactive learning experiences on the Swift Playgrounds app for iPadOS and macOS.
Swift Student Challenge	Ask questions and connect with other challenge applicants.
Swift Testing	Swift Testing is a framework with expressive and intuitive APIs that make testing your Swift code a breeze.
SwiftUI	Provide views, controls, and layout structures for declaring your app's user interface using SwiftUI.
System Configuration	SystemConfiguration allows applications to access a device’s network configuration settings and determine the reachability of the device.
System Extensions	Install and manage user space code that extends the capabilities of macOS using System Extensions.
TabularData	Read, write, analyze and manipulate unstructured data using Tabular Data.
Tap to Pay on iPhone	Accept contactless payments right on iPhone in your payment apps without any extra terminals or hardware.
tensorflow-metal	TensorFlow accelerates machine learning model training with Metal on Mac GPUs.
TestFlight	TestFlight within App Store Connect allows you to invite and manage testers who can install and beta test your iOS, iPadOS, tvOS, and watchOS apps using the TestFlight app on the App Store.
Testing	Detect issues like logic failures, UI problems, and performance regressions by running tests on your app.
TextKit	Manage text storage and perform custom layout of text-based content in your app's views using TextKit.
TipKit	Intelligently educate your users about the right features at the right time with TipKit.
Touch ID	Securely unlock devices, authenticate purchases, sign in to apps, and more with fingerprint recognition using Touch ID.
TVML	Create individual pages inside of a client-server app using Apple TV Markup Language (TVML).
TVMLKit JS	Create tvOS client-server apps using web technologies to stream media and respond to events using TVMLKit JS.
TVMLKit	Create client-server apps by incorporating JavaScript and TVML files in your binary app using TVMLKit.
tvOS	tvOS is the operating system for Apple TV.
TV Services	Help users discover your app by providing top shelf content and a description of your tvOS app using TV Services.
TVUIKit	Show common user interface elements from Apple TV in your native app using TVUIKit.
Typography	Implement good typography technique, make the most of the advanced features in Apple system fonts, and integrate custom fonts.
UI Frameworks	Discuss the different user interface frameworks available for your app.
UIKit	Construct and manage graphical, event-driven user interfaces for iOS or tvOS apps using UIKit.
Uniform Type Identifiers	The Uniform Type Identifiers framework provides a collection of common types, and maps them to MIME and file types.
Universal Apps	A single Universal app includes native binaries that run on Intel-based Macs and Apple Silicon Macs.
Universal Links	Allow your users to intelligently follow links to content in your app or to your website using universal links.
USBDriverKit	Develop drivers for USB-based devices using USBDriverKit.
USDZ	USDZ is a 3D file format that shows up as AR content on a website.
User Notifications	Push user-facing notifications to the user's device from a server or generate them locally from your app using User Notifications.
Video	Integrate video and other forms of moving visual media into your apps.
VideoToolbox	Work directly with hardware-accelerated video encoding and decoding capabilities using VideoToolbox.
Virtualization	Create hardware-accelerated virtual machines to run macOS and Linux-based operating systems.
Vision	Apply computer vision algorithms to perform a variety of tasks on input images and video using Vision.
visionOS	Discuss developing for spatial computing and Apple Vision Pro.
VisionKit	Scan documents with the camera on iPhone and iPad devices using VisionKit.
Visual Design	Discuss animation, branding, color, layout, typography, and other elements of great looking apps.
vmnet	The vmnet API allows virtual machines to read and write packets on guest operating systems.
Wallet	Offer rewards cards, boarding passes, tickets, gift cards, and more using Wallet.
Watch Connectivity	Implement two-way communication between an iOS app and its paired watchOS app using Watch Connectivity.
WatchKit	Build apps that leverage watchOS features like background tasks, extended runtime sessions, and access to the Digital Crown using WatchKit.
watchOS	watchOS is the operating system for Apple Watch.
Watch Complications	Display timely and relevant information about your app on the Apple Watch face using Complications.
WeatherKit	Bring weather information to your apps and services through a wide range of data that can help people stay up to date, safe, and prepared.
Web Inspector	Discuss Web Inspector, which gives you quick and easy access to the richest set of development tools ever included in a web browser.
WebKit JS	Access and modify DOM elements within a webpage, including touch events and visual effects, using WebKit JS.
WebKit	Display web content in windows and implement browser features using WebKit.
WebXR	Display 3d graphics content on the web in an immersive fashion.
WidgetKit	Show relevant, glanceable content from your app on iOS and iPadOS Home Screen and Lock Screen, macOS Desktop, Apple Watch Smart Stack and Complications, and in StandBy mode on iPhone.
WorkoutKit	The WorkoutKit framework provides the ability to create, preview, and schedule planned workouts for the Workout app on Apple Watch.
Xcode	Build, test, and submit your app using Xcode, Apple's integrated development environment.
Xcode Cloud	Automate workflows to test, analyze, build, and distribute your app, and integrate them with other developer tools, such as Testflight and App Store Connect.
Xcode Previews	Create an app UI and configure almost everything your users see using Xcode Previews.
Xcode Sanitizers and Runtime Issues	Xcode Runtime Issues are reports of programming errors found at run time. Issues can be found by variety of tools, including Address Sanitizer (ASan), Main Thread Checker (MTC), Thread Sanitizer (TSan), and Undefined Behavior Sanitizer (UBSan).
Xcode Server	Xcode Server controls server-side bots that continuously build, analyze, test, and even archive your Xcode projects.
Xcode Static Analyzer	The Xcode Clang Static Analyzer finds bugs in Objective-C, C, and C++ code. It finds hard-to-produce, edge-case bugs without the need to run code and shows the sequence of steps along which the bug occurs.
xcselect	Find the path to a macOS SDK version on disk using the xcselect function.
XCTest	Create and run unit tests, performance tests, and UI tests for your Xcode project using XCTest.
XPC	XPC is a a low-level (libSystem) interprocess communication mechanism that is based on serialized property lists.
Zsh	The Z shell (Zsh) is a Unix shell that can be used as an interactive login shell and as a command interpreter for shell scripting.